Fundamental Differences between SML & CML?

CFA Level I
#1

I know that both have Market portfolio on their lines and that SML measures against Beta and CML against total risk.

What else do we need to know about these 2?

#2

Securities that plot above either line are underpriced; securities that plot below either line are overpriced.

Take a look at this article I wrote for more info:

http://financialexamhelp123.com/cal-vs-cml-vs-sml/